Surveys

Bottom scientific moorings established: a. top float 117 meters 72-00.48N 094-38.74W

HYDROARC 10/08

issued: 2008-09-05 02:51Z
status: cancelled 2010-07-04 07:00Z (archive)
authority: LEHNERT EMAIL 041539Z SEP 08.
position: 71.976, -94.456
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

BOTTOM SCIENTIFIC MOORINGS ESTABLISHED:
A. TOP FLOAT 117 METERS 72-00.48N 094-38.74W.
B. TOP FLOAT 22 METERS 71-56.63N 094-15.95W.

This area · survey operations

10 within 180 nm since 2008 · 0 in the last 12 months · 0 in force now

Scientific mooring, top float 30 meters, established in 74-27.83N 090-32.81W2023-10-02
Scientific mooring, top float 30 meters, established in 74-08.75N 091-02.83W2023-10-02
Scientific moorings established: a. 74-36.37N 091-15.05W, top float 147 meters2022-09-23
Scientific mooring established in 69-56.79N 097-54.58W2015-08-28
Nga chart 15881 (0 ed)2011-09-16
Nga chart 15881 (0 ed)2011-08-19

Season · when survey operations happen here

month of issue, all years in the archive

Timeline

Nga chart 15863 (0 ed)cancelled by · 2010-07-04

Nearby now · within 120 nm

Depths reported: a. 29.3 meters in 71-22.82N 096-41.27WWrecks · 57.2 nm

Worldwide now

73 survey operations in force · see all

Surveys

Hydrographic and scientific survey vessels, often towing long arrays. All current survey operations →

Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.